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Is The A/C High Side On The Top Left Of This Picture

Its been many years when I had my old 86 930 and just can't remember which one is the high side? Thanks


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Old 07-15-2012, 08:14 AM
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Yes.
Old 07-15-2012, 08:46 AM
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Thanks
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Old 07-15-2012, 10:55 AM
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Last edited by Miguel Antonett; 07-16-2012 at 02:12 PM..
Old 07-16-2012, 11:48 AM
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I am pretty sure the high pressure line comes from the Condenser. High Pressure is also "Discharge", which is noted by the "D" on the fitting he is referring to. On my '85 930, the Condenser is connected to the High Pressure, D side. Low pressure goes to the Evaporator, which is inside the car.

This article was helpful when I went through this question and my a/c tech verified: Pelican Technical Article: Air Conditioning on the 911 - 911 (1965-89) - 930 Turbo (1975-89)
Old 07-16-2012, 12:08 PM
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On a factory system (read as un-hacked) the high pressure side is the smaller diameter hose, the low side is the large hose. In the above pic, high is the top hose.
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Old 07-16-2012, 12:23 PM
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Thanks guys I charged it yesterday but the low side at the valve is leaking. I notice the valve is sticking out much more then the high side. I tried to tighten it with no luck.
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Old 07-16-2012, 02:28 PM
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Most 930 owners in the U/K remove them I did anyway?
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Old 07-17-2012, 06:05 AM
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My old 86 930 with the low side set at 30 and high side 200 would blow 34 and that was on a stock system.

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Old 07-17-2012, 03:25 PM
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